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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Which of the error detection methods below best relates to the term "parity bit"?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a input registers would use?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would describe the red number in the picture below?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE server application ?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second smallest in area covered?
Modbus to Ethernet/IP is the best example of which of the following converters?
Which of the components below best represents the letter "C"?
Which of the lengths below relates best to a spur cable with 4 field devices connected?
Which of the answers best represents the number OSI network layers that the Foundation fieldbus frame is enclosed in?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would describe the red number in the picture below?
Which answer below best reflects the baud rate of a serial communication channel that transmits 3 bit symbols at a rate of 3648 bps?
Which of the answers below is not an advantage of digital communications to field devices?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as controllers and operator stations that are separated physically from the central control system?
Which of the answers is not an disadvantage of analog field communication? Choose the best answer from those below.
There are several layers in the DCS architecture. Which of the levels below would have direct control over the accounting system?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the bridge interacts with?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
Which of the antenna below can be best described as "omnidirectional"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
IPv4 network classes can also be defined by the IP address they use. Which of the answers corresponds best to the address in row "F"?
Which of the terms below is best described as "losses resulting from the amount of bends in an installation."?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a coils would use?
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
Digital valve positioners are best defined as which of the following answers?